CN102787723A - Manufacturing method of cast-in-place LOFT floor slab - Google Patents
Manufacturing method of cast-in-place LOFT floor slab Download PDFInfo
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- CN102787723A CN102787723A CN2012102764896A CN201210276489A CN102787723A CN 102787723 A CN102787723 A CN 102787723A CN 2012102764896 A CN2012102764896 A CN 2012102764896A CN 201210276489 A CN201210276489 A CN 201210276489A CN 102787723 A CN102787723 A CN 102787723A
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Abstract
The invention discloses a manufacturing method of a cast-in-place LOFT floor slab; secondary design and construction are carried out after the civil engineering of a main project is completed; the manufacturing method has the following process steps that steel sheet meshes are welded on I-shaped steel and channel steel; galvanized steel wire meshes are bound with the steel sheet meshes; then dinitrofluorobenzene (DFB) light aggregate is cast; polystyrene boards are buried in the DFB light aggregate in parallel; glass fiber grid cloth is respectively paved in the middle of the DFB light aggregate above and below the polystyrene boards; after being cast, the DFB light aggregate is leveled, compacted and cured; and then the cover surface of an anti-crack layer is plastered with mortar aggregate. According to the manufacturing method, no formwork is needed, the construction efficiency is improved, the weight is light, the strength is high, and the strength requirements can be fully met. The manufacturing processes of the method are easy to operate, so that energy is saved and environment is protected. The manufactured LOFT is light, has high strength and good integral fire-proofing performance, and the manufacturing method is a complete process technology which is easy to promote.
Description
Technical field
The present invention relates to a kind of building floor, refer in particular to a kind of preparation method of cast-in-place LOFT floor plates.
Background technology
The manufacture craft of LOFT floor generally is to select for use worker's steel or channel-section steel square tube to do structure earlier at present, spreads wood flooring or checkered steel plate then in the above.But this structure do not prevent fires, non-moistureproof, and sound insulation property is relatively poor.It is high to develop on a kind of structure intensity, and sound insulation property, overall performance are good, and quick construction easily the manufacture craft of LOFT floor be that market is needed.
Summary of the invention
The technical problem that the present invention will solve provides a kind of preparation method of cast-in-place LOFT floor plates; This preparation method is a kind of quick construction new technology easily; Made floor plates environmental protection, lightweight, intensity are high, and sound insulation property, overall performance are good, and can arrange to lay floor heating pipe in the floor plates.
The technical problem that the present invention will solve is realized by following scheme: the preparation method of cast-in-place LOFT floor plates; After civil engineering is accomplished major project, carry out the Secondary Design construction according to the general layout of construction site, i iron and channel-section steel structure will satisfy the force request that weighing apparatus carries, and it is characterized in that: the processing step of preparation method does; At above-mentioned i iron and weldable steel expanded metals above the channel-section steel; With galvanized steel wire netting and expanded metal lath colligation, pouring into a mould thickness afterwards is the DFB light aggregate of 60-120mm again, and in the DFB light aggregate, buries a piece polyphenyl plate side by side underground; Lay two layers and one deck glass fiber grid cloth in the middle of the DFB light aggregate of said polyphenyl plate upper and lower respectively; After DFB light aggregate cast is good, use big thick stick levelling, and with trowel it made real and to treat its curing; Smear the crack-resistant layer cover with DFJ sizing material and light-water sand by the mortar that 1: 4 weight ratio stirs into then; Its thickness is 10-15mm, lays one deck glass fiber grid cloth in the middle of the crack-resistant layer, does partitioning slot during cover and handles completion; Said DFB light aggregate is made up of magnesia, magnesium chloride, ferrous sulfate, hydrochloric acid and granular polystyrene, and the percentage of the shared gross weight of each component is: magnesia 30-50%, magnesium chloride 30-50%, ferrous sulfate 5-10%, hydrochloric acid 5-10%, granular polystyrene 5-10%.Said DFJ sizing material is made up of magnesium chloride, ferrous sulfate, hydrochloric acid, and the percentage of the shared gross weight of each component is: magnesium chloride 70-90%, ferrous sulfate 5-10%, hydrochloric acid 5-10%.Said polyphenyl plate unit weight 15-25kg is of a size of 1000 * 600 * 100, and vertical, horizontal spacing is 800-100mm.
Advantage of the present invention is: this preparation method does not need formwork, has improved efficiency of construction, the light (80kg/m of its unit weight
2About), alleviated the dead load of civil engineering main body or steel work main body; Intensity high (0.9Mkp) can satisfy requirement of strength fully, and cracking resistance load index also is higher than standard-required far away.This DFB light aggregate is an A level incombustible material, and combustibility (1..5 hour) and heat-insulating property (coefficient of thermal conductivity 0.1) are good.36 decibels of sound insulations, water absorption rate 3%, radioactive indicator are interior according to index 0.13, shine index 0.31 outward.This method is successful experimental applications in engineering, and simple and direct easy to operate, the energy-conserving and environment-protective of its manufacture craft, comprehensive cost are low.The LOFT lightweight of producing, intensity are high, whole fire line is good, are complete process technology that the better market space is arranged and promote easily.
Description of drawings
Fig. 1 is the preparation method process chart of cast-in-place LOFT floor plates.
Fig. 2 is the longitudinal sectional drawing of cast-in-place LOFT floor plates.
The specific embodiment
The preparation method of cast-in-place LOFT floor plates is carried out the Secondary Design construction according to the general layout of construction site after civil engineering is accomplished major project, i iron and channel-section steel structure will satisfy the force request that weighing apparatus carries.At above-mentioned i iron and welding galvanized steel expanded metals 1 above the channel-section steel; Again with galvanized steel wire netting 2 and expanded metal lath 1 colligation welding; Expanded metal lath 1 overlap and periphery will add strong weld (the pad spacing is not more than 30) with the 3# band steel; Pour into a mould with DFB light aggregate 3 afterwards, its technological process is: smear first floor DFB 3 (20mm) that gather materials, and---shop glass fiber grid cloth 4 one decks---are smeared second layer DFB 3 (20mm)---shop second layer glass fiber grid cloth 4 one decks---that gather materials and are laid polyphenyl plate 5, polyphenyl plate 5 unit weight 20kg; Be of a size of 1000 * 600 * 100, vertical, horizontal spacing is 100mm.Do not look for the slope like roof structure, available polyphenyl plate 5 is looked for the slope according to designing requirement, and------shop second layer glass fiber grid cloth 4---drapes over one's shoulders and smears the 4th layer of DFB 3 (20mm) that gather materials to smear the 3rd layer of DFB 3 (20mm) that gather materials.DFB light aggregate 3 will be used big thick stick levelling after pouring into a mould well according to designing requirement, will gather materials to make real with trowel and treat its curing.DFB light aggregate 3 solidifies the back and stirs into mortar 6 with DFJ sizing material and light-water sand by 1: 4 weight ratio; On DFB light aggregate 3, smear one deck mortar 6 then; Then spread one deck glass fiber grid cloth 4; Use mortar 6 covers (anticracking grout material 6 thickness are 10mm) at last again, will do partitioning slot during cover and handle, and then do the waterproof operation.Above-mentioned DFB light aggregate 3 is made up of magnesia 40kg, magnesium chloride 40kg, ferrous sulfate 6kg, hydrochloric acid 6kg, granular polystyrene 8kg mixing.Above-mentioned DFJ sizing material is made up of magnesium chloride 80kg, ferrous sulfate 10kg, hydrochloric acid 10kg mixing.
Claims (2)
1. the preparation method of cast-in-place LOFT floor plates; After civil engineering is accomplished major project, carry out the Secondary Design construction according to the general layout of construction site, i iron and channel-section steel structure will satisfy the force request that weighing apparatus carries, and it is characterized in that: the processing step of preparation method does; At above-mentioned i iron and weldable steel expanded metals above the channel-section steel; With galvanized steel wire netting and expanded metal lath colligation, pouring into a mould thickness afterwards is the DFB light aggregate of 60-120mm again, and in the DFB light aggregate, buries a piece polyphenyl plate side by side underground; Lay two layers and one deck glass fiber grid cloth in the middle of the DFB light aggregate of said polyphenyl plate upper and lower respectively; After DFB light aggregate cast is good, use big thick stick levelling, and with trowel it made real and to treat its curing; Smear the crack-resistant layer cover with DFJ sizing material and light-water sand by the mortar that 1: 4 weight ratio stirs into then; Its thickness is 10-15mm, lays one deck glass fiber grid cloth in the middle of the crack-resistant layer, does partitioning slot during cover and handles completion; Said DFB light aggregate is made up of magnesia, magnesium chloride, ferrous sulfate, hydrochloric acid and granular polystyrene; The percentage of the shared gross weight of each component is: magnesia 30-50%, magnesium chloride 30-50%, ferrous sulfate 5-10%, hydrochloric acid 5-10%, granular polystyrene 5-10%, and said DFJ sizing material is made up of magnesium chloride, ferrous sulfate, hydrochloric acid, and the percentage of the shared gross weight of each component is: magnesium chloride 70-90%, ferrous sulfate 5-10%, hydrochloric acid 5-10%.
2. according to the preparation method of the said cast-in-place LOFT floor plates of claim 1, it is characterized in that: said polyphenyl plate unit weight 15-25kg, be of a size of 1000 * 600 * 100, vertical, horizontal spacing is 800-100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210276489.6A CN102787723B (en) | 2012-07-24 | 2012-07-24 | The preparation method of cast-in-place LOFT floor plates |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210276489.6A CN102787723B (en) | 2012-07-24 | 2012-07-24 | The preparation method of cast-in-place LOFT floor plates |
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| CN102787723A true CN102787723A (en) | 2012-11-21 |
| CN102787723B CN102787723B (en) | 2015-08-19 |
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| CN201210276489.6A Expired - Fee Related CN102787723B (en) | 2012-07-24 | 2012-07-24 | The preparation method of cast-in-place LOFT floor plates |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174247A (en) * | 2013-03-16 | 2013-06-26 | 标力建设集团有限公司 | Construction method of XPS block body inner die super-thick long-span floor system |
| CN110485610A (en) * | 2019-08-19 | 2019-11-22 | 广西建工集团第五建筑工程有限责任公司 | A kind of post-cast strip concrete block locking device and construction method |
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| US4226071A (en) * | 1979-07-20 | 1980-10-07 | The Dow Chemical Company | Method for the preparation of low temperature structure |
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| CN2312271Y (en) * | 1997-11-04 | 1999-03-31 | 金仲英 | Steel bar reinforced concrete floor with rib steel wire screen and polyphenyl plate |
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| CN2627099Y (en) * | 2003-05-20 | 2004-07-21 | 朱恒杰 | Reinforced lightweight concrete board |
| EP1607537A2 (en) * | 2004-06-09 | 2005-12-21 | Philip Anthony Price | Fully insulated timber frame building panel system |
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2012
- 2012-07-24 CN CN201210276489.6A patent/CN102787723B/en not_active Expired - Fee Related
Patent Citations (10)
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| US4226071A (en) * | 1979-07-20 | 1980-10-07 | The Dow Chemical Company | Method for the preparation of low temperature structure |
| CN1070024A (en) * | 1992-07-28 | 1993-03-17 | 钟莉 | The sandwich heat preservation of double steel bar concrete plate surface and light concrete web, sound insulating panel member |
| CN2312271Y (en) * | 1997-11-04 | 1999-03-31 | 金仲英 | Steel bar reinforced concrete floor with rib steel wire screen and polyphenyl plate |
| CN2351493Y (en) * | 1998-06-05 | 1999-12-01 | 高鸿升 | Thermal insulation sound-proof composite flooring |
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| CN2627100Y (en) * | 2003-05-19 | 2004-07-21 | 张云华 | Structure-function integrated lightweight load bearing building plate |
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Non-Patent Citations (1)
| Title |
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| 姜雪岐，姜博昱: "现浇混凝土聚苯泡沫组合平台的构造与施工", 《建筑技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174247A (en) * | 2013-03-16 | 2013-06-26 | 标力建设集团有限公司 | Construction method of XPS block body inner die super-thick long-span floor system |
| CN103174247B (en) * | 2013-03-16 | 2015-05-27 | 标力建设集团有限公司 | Construction method of XPS block body inner die super-thick long-span floor system |
| CN110485610A (en) * | 2019-08-19 | 2019-11-22 | 广西建工集团第五建筑工程有限责任公司 | A kind of post-cast strip concrete block locking device and construction method |
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| Publication number | Publication date |
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| CN102787723B (en) | 2015-08-19 |
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